AIMsight - Applications

Infrared Microscope

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Electrical and Electronic

Shown here is an example of analyzing a foreign matter adhering to the surface of a button battery. By using the wide-field camera, it is possible to observe entire components and determine measurement points quickly. We performed the analysis using the direct ATR measurement method.
A search of the obtained data using the Shimadzu Original Contaminant Library revealed that the foreign matter consisted mainly of acrylonitrile butadiene rubber (NBR) and contained CaCO3, aluminum silicate (KAOLIN), and phthalates as additives.
Before the measurement, the length of the foreign matter was measured using the length measurement function. As a result, we found that the foreign matter adhering to the button battery surface was 18 μm on the short side and 60 μm on the long side.
 

  • ATR spectra of foreign matter adhering to button battery surface and comparison of components hit by search

    ATR spectra of foreign matter adhering to button battery
    surface and comparison of components hit by search

  • Measurement screen using length measurement function

    Measurement screen using length measurement function

Machinery and Transportation

 

This is an example of analyzing resin parts exposed to sunlight for long period. By measuring the infrared spectrum of the component cross-section, the progress degree of the degradation about depth direction from the surface can be visualized.

  • Machinery and Transportation

    This sample had been exposed to sunlight from the left side

  • Machinery and Transportation

    Imaging in the area of the C = O peak indicating oxidation degradation

Pharmaceutical and Life Science

 

This is an example of the analysis of foreign matter adhering to the surface of a pharmaceutical tablet. By being taken to a diamond cell and rolled, transmission measurement can be performed on various shaped samples.
 

  • Pharmaceutical Life

    Observation image of the tablet surface approximately 8 mm in diameter with the wide view camera (2× zoom)

  • Pharmaceutical Life

    Observation image of the foreign matter on the diamond cell by 15× Cassegrain objective mirror.

Pharmaceutical Life

　　　　　　　　　Spectrum of foreign matter collected in the diamond cell. Identified as Carbonat

Material

  • This is an analysis example of multilayer film used in potato chip packaging. Sections of the film were cut with a microtome and measured by the transmission method.
    We also measured the thickness of each layer using the length measurement function.
    From the inside touching the chips, each layer was found to be 27 µm polypropylene (PP), 9 µm PP + polyethylene (PE), 11 µm polyethylene terephthalate (PET), and 42 µm PE.
    Material

    Photographs and length measurement results of the multilayer film
    cross sections (inside on the left side of the screen)

  • Material
    Transmission spectra and chemical image of each layer of the multilayer film
    (First, second, third, and fourth layers from the top)

 

Environment

Shown here is an analysis example of microplastics collected on polytetrafluoroethylene (PTFE) filter paper.
Micro-transmission mapping analysis was performed to determine the material of the microplastics using Shimadzu's original UV-damaged plastic library.
The results showed that the microplastics were polyethylene (PE) and polypropylene (PP). The absorption around 1,200 cm -1 is due to PTFE, the material used for filter paper.
 

Environment

Infrared spectra (a) and (b) extracted from mapping analysis results, and search results

 

In addition, we performed a mapping analysis of microplastics on filter paper.
For the mapping data, we created chemical images based on the corrected height of the CH2 rolling vibration mode of PE (718 cm-1) and the CH3 symmetric deflection mode of PP (1,373 cm-1).

Environment

Left: Chemical image of microplastics (PE) on filter paper
Right: Chemical image of microplastics (PP) on filter paper

 

  • Microplastics collected on PTFE filter paper were mostly PP, and it was visually confirmed that PE was present in some of them.
    Finally, using the microplastic images measured in this study, we measured the length of several microplastics collected on PTFE filter paper. We found that the filter paper was dotted with multiple plastics of about 20 ~ 40 microns in size.
  • Microplastics collected on PTFE filter paper